| The | Pendulum |
| Still
under dereconstruction
|
| Swing out | Normally a 'pendulum' would swing out soon, but - by analogy with the pendulum of a clock - I wanted to have the metal ball in an infinite oscillation. Moreover, I wanted to gain a stronger impression than the movement of a pendulum of a clock would give: it had to add some tenseness to the swing. |
| Principle | By applying an electronic circuitry and electromagnets, it was possible to not only acquire the infinite oscillation, but also a brief fixed moment in the extreme positions of the swing at the left and right walls. |
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| Tensity | The motion of the pendulum became an apparent unstable balance because of this, making it difficult to enter the room without a certain fear to disturb the motion, while at the same time the short 'rests' invited to the possibility to quickly get passed the object. |
| The works | A small room was prepared for the
pendulum by placing two electromagnets and the wiring in the walls.
The object itself was made from two so called tank bottoms, forming a perfect circle after welding them. Two counterpart electromagnets had been placed in the ball as well. A reverse magnetic field was required - after the short 'fix' of the swing at the walls - to 'push' the ball to the next extreme position. Also a rigid fastening with bearing was necessary to balance the swing. |
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| Circuit | Timing was critical in this installation. The magnets were switched by timing alone - no contact switches were used as they proved to be unreliable, but as a starting point one magnet was in an active state. The ball had to be 'stuck' to the magnet and the system would start with a simple on/off button. |
| BACK | 'Pendulum' - 2 metal tank halves, iron tube, bearing / hanging, electronic switching device, power supply 220 V. ~, electromagnets - 1977 |
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| . | Stichting Abandon p/a Josephstraat 97-B 3014 TL Rotterdam Netherlands Europe |